73072452 has 12 divisors (see below), whose sum is σ = 170502416. Its totient is φ = 24357480.

The previous prime is 73072427. The next prime is 73072457. The reversal of 73072452 is 25427037.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (73072457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3044674 + ... + 3044697.

Almost surely, 2^73072452 is an apocalyptic number.

It is an amenable number.

73072452 is an abundant number, since it is smaller than the sum of its proper divisors (97429964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73072452 is a wasteful number, since it uses less digits than its factorization.

73072452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089378 (or 6089376 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 73072452 is about 8548.2426264116. The cubic root of 73072452 is about 418.0721394384.

Adding to 73072452 its reverse (25427037), we get a palindrome (98499489).

The spelling of 73072452 in words is "seventy-three million, seventy-two thousand, four hundred fifty-two".